| Index | Flensburg | Minnesota | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Flensburg | Minnesota | National |
| Completed 8th grade | 97.3% | 90.5% | 84.3% |
| Completed high school | 94.6% | 89.5% | 83.0% |
| Completed some college | 38.1% | 66.9% | 59.4% |
| Completed associate degree | 20.4% | 45.2% | 38.5% |
| Completed bachelors | 6.1% | 34.2% | 30.3% |
| Completed masters | 1.4% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Flensburg. Using the proficiency score averages, the average test scores for Flensburg, MN schools is n/a. The average student to teacher ratio is n/a. In Flensburg, MN, an average of 97.3% of students have completed 8th grade and an average of 94.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rice, MN | 1,734 | 62% | 29.2% |
| Royalton, MN | 1,186 | 54% | 11.8% |
| Randall, MN | 581 | 50% | 4.2% |
| Swanville, MN | 285 | 50% | 3.1% |
| Little Falls, MN | 8,663 | 46% | 4.3% |
| Flensburg, MN | 218 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Agra, KS | 218 | 40% | 17.7% |
| Climax, MN | 218 | 40% | 17.2% |
| Northome, MN | 218 | 51% | 6.3% |
| Glenford, OH | 217 | 82% | 70.8% |
| Old Harbor, AK | 217 | 50% | 4.2% |
| Flensburg, MN | 218 | n/a |
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